Go Runtime: How GC Impacts P99 Latency in High-Load APIs

You have a great API with median latency of 5ms, but P99 suddenly spikes to 500ms? Clients complain about periodic freezes? Welcome to the world of Go Garbage Collector and its impact on tail latency.

In this article, we’ll tackle a real problem: how a 10ms GC pause turns into 500ms latency for users, and what to do to keep P99 latency under control.

PostgreSQL VACUUM: What It Is and Why You Need It

What Is VACUUM in PostgreSQL?

VACUUM is PostgreSQL’s built-in cleanup tool. Let’s break down when to use it and why rushing into it can do more harm than good.

Protobuf vs FlatBuffers: what to choose?

Hey performance engineer! ⚡

Is your JSON API crawling under load? MessagePack not saving you anymore?

Time to bring out the heavy artillery - binary serialization protocols.

While others debate JSON beauty, you’ll learn when Protobuf is perfect for microservices, and FlatBuffers dominates games and real-time systems.